- All sections
- H - Electricity
- H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light; devices using stimulated emission of electromagnetic radiation in wave ranges other than optical
- H01S 3/136 - Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity
Patent holdings for IPC class H01S 3/136
Total number of patents in this class: 91
10-year publication summary
|
9
|
6
|
9
|
9
|
9
|
7
|
5
|
10
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Raytheon Company | 8535 |
6 |
| Gigaphoton Inc. | 1120 |
6 |
| Ludwig-Maximilians-Universitat Munchen | 329 |
4 |
| Cymer, LLC | 347 |
3 |
| IMRA America, Inc. | 174 |
3 |
| Coherent, Inc. | 337 |
3 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1657 |
3 |
| FUJIFILM Corporation | 27102 |
2 |
| Nippon Telegraph and Telephone Corporation | 14195 |
2 |
| Arete Associates | 55 |
2 |
| Coherent LaserSystems GmbH & Co. KG | 51 |
2 |
| Elbit Systems Electro-Optics Elop Ltd. | 84 |
2 |
| IPG Photonics Corporation | 494 |
2 |
| TOPTICA Photonics AG | 47 |
2 |
| TRUMPF Laser Marking Systems AG | 11 |
2 |
| Picomole Inc. | 57 |
2 |
| OpenLight Photonics, Inc | 180 |
2 |
| Center for Molecular Fingerprinting | 2 |
2 |
| International Business Machines Corporation | 60644 |
1 |
| NEC Corporation | 32703 |
1 |
| Other owners | 39 |